32
ProSpray 27 • 31
g
Starting operation
3
2
5
4
1
2
3
4
5
6
7
8
9
ON
O
FF
1
+
-
1
3
2
4/5
4.3
Pressure regulator knob settings
(Fig. 7)
1. Unit switched OFF.
2. Unit switched ON - no pressure generation.
3. Blue zone – pulsating pressure for cleaning.
4. Minimum pressure setting.
5. From minimum pressure to 230 bar (23 MPa).
4.4
Connection to the mains network
Before connecting the unit to the mains supply, ensure
that the line voltage matches that specified on the unit’s
rating plate.
The green indicating light illuminates as soon as the po-
wer plug is connected. It is located under the illuminating
display of the electronic pressure adjuster.
Attention
The unit must be connected to an
appropriately-grounded safety outlet.
4.5
Cleaning preserving agent when
starting-up of operation initially
1. Swivel suction tube (Fig. 8, Item 1) and return hose (2)
in to a container with suitable cleaning agent.
2. Open the relief valve (3), valve position PRIME
(
k
circulation).
3. Switch the unit (4) ON.
4. Turn the pressure regulator knob (5) in the yellow
zone to minimum pressure.
5. Wait until the cleaning agent exudes from the return
hose.
6. Close the relief valve, valve position SPRAY
(
p
spray).
7. Pull the trigger of the spray gun.
8. Spray the cleaning agent from the unit into an open
collecting container.
